Update typescript-eslint monorepo to v3.4.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
@typescript-eslint/eslint-plugin	devDependencies	minor	3.3.0 -> 3.4.0
@typescript-eslint/parser	devDependencies	minor	3.3.0 -> 3.4.0

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Release Notes

typescript-eslint/typescript-eslint

v3.4.0

Compare Source

Bug Fixes

• eslint-plugin: [no-base-to-string] handle intersection types (#​2170) (9cca3a9)
• eslint-plugin: [unbound-method] handling destructuring (#​2228) (c3753c2)
• experimental-utils: correct types for TS versions older than 3.8 (#​2217) (5e4dda2)
• experimental-utils: getParserServices takes a readonly context (#​2235) (26da8de)

Features

• eslint-plugin: [no-unnecessary-boolean-literal-compare] add option to check nullable booleans (#​1983) (c0b3057)
• eslint-plugin: add extension rule no-loss-of-precision (#​2196) (535b0f2)

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